It appears the protesters were allowed in:
https://thedonald.win/p/11RhAp2tHR/was-this-shit-planned-wtf-is-thi/c/
It appears some of the protesters were blm/antifa:
Can't find a link, but there's a picture of a blm POS named Spencer Sunshine in Tempe, AZ at a blm event as well as today at the Capitol. (u/jenroyandmoss found it: https://imgur.com/gallery/j3GjvGj)
There were witnessed oddities with how the shooting of an unarmed citizen occurred:
https://thedonald.win/p/11RhAqC7Pl/additional-context-about-woman-s/
POTUS Twitter account locked and a post where he called for calm was removed:
https://thedonald.win/p/11RhAp4op4/trumps-account-has-been-locked-b/c/
https://thedonald.win/p/11RhAnvKJ3/trump-tweet-captured-before-remo/c/
Trump supporters smashing video equipment:
https://thedonald.win/p/11RhAqCOOa/trumpers-smashing-media-equipmen/c/
Protestors in Capitol share similarities with antifa thugs:
https://twitter.com/LLinWood/status/1346946445157404674/photo/1
Which leads to:
Congress reconvened quickly:
https://thedonald.win/p/11RhArJgFk/congress-reconvenes-in-minutes-w/c/
Calls for POTUS' immediate removal from office:
Senators bailing on objecting to fraud investigation:
https://thedonald.win/p/11RhArLsqT/senators-who-planned-to-object-a/
Both parties plotted this. The protesters were allowed to do what they did, and for the purposes of discrediting President Trump.
Look no further than one Mitch McConnell to where the worst smell is coming from on the Republican side.